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PCSX2 on Android
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YumiLovesMe Offline
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Post: #21
RE: PCSX2 on Android
(07-22-2012 04:00 AM)mrjared123 Wrote:  Care to elaborate?

Just ignore him - he is just being a douchebag for no good reason.

Feel free to report his post Smile - mine probably will be deleted too though.
07-22-2012 04:05 AM
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Ice Queen Zero Offline
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Post: #22
RE: PCSX2 on Android
Quote:This thread contains the collective intelligence of yahoo answers.

Which amounts to a potato.

(07-22-2012 04:03 AM)captainquark Wrote:  technologically illiterate

Have a warning for spamming...
(This post was last modified: 07-22-2012 04:07 AM by Ice Queen Zero.)
07-22-2012 04:07 AM
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mrjared123 Offline
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Post: #23
RE: PCSX2 on Android
Ahh, I was confused Smile

EDIT: Well, I guess that I will just edit this post about new info that I found: http://www.pcworld.com/article/259390/ar...blets.html

Basically, it's talking about a new Android tablet with a MIPS processor. Will that make emulation any easier? The processot is only a single core at 1GHz...
(This post was last modified: 07-22-2012 06:13 AM by mrjared123.)
07-22-2012 04:35 AM
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Fezzer Offline
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Post: #24
RE: PCSX2 on Android
"IF" it is true that this ARM phone processor amounts to a C2D 2.0 Ghz then already it has the power for many games, most 2D and some 3D.

But then do phones have a GPU in the same sense a PC? Sorry I know very little about phone hardware.

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07-22-2012 06:47 AM
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mrjared123 Offline
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Post: #25
RE: PCSX2 on Android
Well, I believe that the Tegra 3 is manufactured by nVidia and it has the CPU, GPU, and the memory all rolled into one SoC (System on Chip). The GPU in the Tegra 3 is a 12 core GPU based on ULP GeForce which I don't really know is. It is operated at 520MHz which I think (but don't know) can be overclocked.

Also take note that the new Tegra 4 is releasing in Q1 2013 with a 24 core GPU (for the quad core) and 32-64 core GPU (for the octo core). It also sports support for DirectX11.x and OpenGL 4.x (so it must be somewhat powerful).

EDIT: The latter half is all info from wikipedia, so I'm not sure if it is true or not, but it seems true.
(This post was last modified: 07-22-2012 07:23 AM by mrjared123.)
07-22-2012 07:21 AM
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Tatsuya1221 Offline
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Post: #26
RE: PCSX2 on Android
(07-22-2012 01:57 AM)mrjared123 Wrote:  I understand your reasoning Smile But I didn't "claim" that if Android could run FPse then it should be able to run a PS2 emulator. I never said that, I just used it as an example that it can play PSX flawlessly.

And yeah, ARM is no where close to i5 2500k at all, but did you see the benchmark I posted? The older Tegra 3 @1.5GHz beat up a Core 2 Duo @2.0GHz, and while the newer Tegra coming out and every other chipset being updated, it wouldn't take the so called 5-10 years. The rewrite of an emulator is tough, and it would take a long time, but devs can, as Yuffie in Kingdom Hearts says: "Think of it as an adventure!" lol Smile
My apologies for misunderstanding your words then.

There's more to a cpu's capability than coremark, and even at that it's not a true benchmark, Bulldozer was shown in some early benchmarks as easily matching or beating the i5 2500k, so i take early benchmarks with a grain of salt, in other words, i'm not doubting it's possible, but not within cost productive means, not to mention cooling issues, even at that, it was supposedly beating a core 2 duo at 2.0 ghz, ( which i doubt), but taking it at face value, the tegra 3 is a 4 core cpu, i'm going to guess the core 2 duo was a dual core, that alone makes the point moot when it comes to pcsx2, as pcsx2 uses at most 3 cores, and the benchmark did not refer to a core for core performance, thus making it likely that it was an overall rating, that's if you believe it was true, there's also the .clock speed, 2.0 ghz on a core 2 duo will not run anything that i know of on pcsx3, though i may be wrong.

That said, again, it's a matter of how fast ARM processors grow, but they are not there yet, even if they were, making a version of pcsx2 that would run properly on an ARM processor would probably require a recoding of pcsx2 on the level of making a 64 bit version of pcsx2(which would be at best pointless and at worse detrimental to the emulator from my understanding),

That said, there would be one benefit of running pcsx2 on android, as the os is a stripped down os based off of linux from my understanding, thus it doesn't have a ton of resource hungry programs running in the background eating up cpu power, though this also begs the question of whether comparing psx emulators is even a fair basis in this as any computer made in the last 5+ years will run most psx emulators, in fact i ran epsxe 1.70 on a intel celeron 1.6 ghz single core laptop running vista basic, with intel hd graphics (software based, not hardware, like the current versions.


To the person who asked about tablet/smartphone gpu's, most ARM processors are APU's from my understanding, thus the gpu and cpu are in 1 chip, similar to intel's current HD graphics on the cpu.


Anyway sorry for any spelling errors or bad punctuation, it's almost 2am where i live and i'm about to fall asleep, so yeah.
07-22-2012 07:59 AM
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mrjared123 Offline
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Post: #27
RE: PCSX2 on Android
Whoa, a lot of writing.. Smile

I understand that ARM processors aren't powerful enough at this time at all, but do we have a PS2 emulator made already? No we don't. Not sounded rude or anything, but PCSX2 was started in 2001 I believe? There was definetaly no good hardware back then to make anything playable. Still, even though the emulator was probably working pretty good in 2005 or 2006, the hardware was still not SO good.

I think that if the PCSX2 devs or any other devs were to make a PCSX2 (or something like ANSX2 hehe) on Android, now would be a good time to start coding it. ARM processors, and CPU processors in general, are only getting better, and if we had a working PS2 emulator on Android when the processing was just right, it would be perfect.

I think that Android would be a GREAT idea for ANSX2 ( Smile ), even if there is no power right now. Isn't there development for PCSX3 on PC already? I believe so. Do we have power to emulate it? Not at all. Android has been around for 5 years (?), and now it is really, I mean really, hitting off. And also Android isn't like a gaming console that lasts a few years then out comes a new one. It is like PC, it keeps upgrading into newer versions.

From my understanding, you CAN write Android apps in c++ if you wanted to, as Android is practically Linux.

I believe ANSX2 is a great idea (for a name also), I believe everything is up to the devs. I have no say in this, as I have no knowledge in any programming language.

I also have a question for the devs, how long has it taken you to get a good grasp on your programming language. I'm looking to start learning C or C++ by myself (as I am only 14).

EDIT: Look at this: http://developer.android.com/tools/sdk/ndk/index.html

The Android NDK allows you to take and implement parts of c or c++. Does that mean you can port PCSX2? Or does it still mean a complete rewrite is needed?
(This post was last modified: 07-22-2012 08:57 AM by mrjared123.)
07-22-2012 08:51 AM
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MaJoR Offline
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Post: #28
RE: PCSX2 on Android
Alright, time to clear some things up.

http://www.brightsideofnews.com/news/201...t7200.aspx

That article is an interesting read. First, it debunks an nvidia report that said Tegra 3's are superior to the Core 2 Duo T7200. It shows that the nvidia numbers which "proved" the Tegra 3's superiority were rigged in its favor. But as they pointed out in the article, when you sort through the numbers, it's alot more complex than that. When the Tegra 3 and the Core 2 Duo T7200 are running the same speed, the Tegra 3 is faster, by a hair. But there's a little caveat to this. The C2D T7200 is a dual core processor, while the Tegra 3 is a four core processor. So yea, each Core 2 Duo core is twice as strong as each Tegra 3 core. And remember, PCSX2 favors per core performance over number of cores, as the poor Bulldozer users would attest.

Furthermore. The Core 2 Duo T2700 is not only 5 years old, but it was underclocked to 1.66ghz. That is extremely weak. Plus it's a mobile CPU, which means its performance is even worse! My Core 2 Duo E6750, a for real, solid Core 2 Duo overclocked to 3.2ghz, was only able to play one of my PS2 games: Disgaea. Do you guys really think a 1.6ghz Core 2 Duo could run anything at all? And that 1.6ghz C2D would be able to out perform the Tegra 3 by a longshot with PCSX2, thanks to its better IPC.

So yea, I think it's safe to say that arm processors won't be running PCSX2 any time soon. Give em 10 years though, and we'll see.

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(This post was last modified: 07-22-2012 02:36 PM by MaJoR.)
07-22-2012 11:05 AM
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gregory Offline
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Post: #29
RE: PCSX2 on Android
Future mobile GPU will be opengl ES 3 (not opengl 4). You won't see 8 cores before 2020 (that doesn't mean that you see them after 2020 Wink) Well except if you count the small dedicated core in modem et al.

The issue is not the C++ part. The real issue are:
1/ most of PCSX2 is coded in a kind of assembly. PCSX2 only target 1 CPU architecture and is highly optimized for this one.
2/ PCSX2 is optimized for PC architecture. A SoC is totally different, memory bandwith are not the same, connection between CPU/GPU/RAM are not the same.
So a port to any others architecture means a full rewrite (the smallest gap will be the PC 64 bits).

Arm architecture is not stable, so you might need to recode a big chunk again in 4-5 years...

Quote:That said, there would be one benefit of running pcsx2 on android, as the os is a stripped down os based off of linux from my understanding, thus it doesn't have a ton of resource hungry programs running in the background eating up cpu power
.
Except if you run video encoding in background, program don't consume anythings. You will gain nothing, it even doesn't make your fourth core useful.

PS1 is a very old mips architecture @35 MHz. Arm and Mips are similar so smartphone can probably handle it without too much difficulty. PS2 is a multicore CPU @300MHz with additional heavy vectorial unit. It all depends of where will stop the smartphone, I don't think we will go much higher than 3GHz.

Quote:I also have a question for the devs, how long has it taken you to get a good grasp on your programming language. I'm looking to start learning C or C++ by myself (as I am only 14).
It's not a matter of time but of quantity of code that you wrote.Just do it step by step
07-22-2012 11:05 AM
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omnikam Offline
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Post: #30
RE: PCSX2 on Android
I guess the Big question is how lucrative would it be if a small team could pull an Android version of Pcsx2?
FPse has over 250,000 sales at current $3.93 = $982,500 which isnt bad for a few years work Smile

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07-22-2012 04:06 PM
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